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In this paper, a theoretical model is used to investigate and evaluate the electronic transfer rate by using Au metal contact with 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline, known as BCP. Electron transfer process is a necessary in variety electronic devices. The electron transfer rate investigates and calculates for Au/BCP interface due to transition energy, Fermi energy, ionization energy and strength coupling to calculate results in a wide solvent media. In this work, the Au metal is used a donor state with BCP molecule as acceptor to study the electron transfer process with changing thirteen solvents media. The results show that electron transfer parameters of the Au/BCP system have been strong dependent on transition energy. It's given acceptable rate in room temperature with barrier ranging 1.169, 1.091, 1.081, 1.086 and 1.064 eV for Diethyl ether, Ethyl, Tetrahydrofuran (THF), Acetic acid and 1,2-Dimethoxyethane as result to have low transition energy compare with 0.946, 0.940, 0.967, 0.951, 0.970 and 0.977 eV for Methanol, Water, Acetone, Ethanol, Acetonitrile and 2,2,2-Trifluoroethanol because have large transition energy.The Au/BCP device has large electron transfer rate with water and Methanol in range 19.328 × 10-9 to 15.205 × 10-9 (cm4/ sec) compare with low electron transfer rate with Diethyl and Ethyl acetate in range 0.006 × 10-9 to 0.091 × 10-9 (cm4/ sec). Moreover, the devices that are employing Au in contact with BCP show higher electronic transfer rate with less polarity solvent.

In sense of the phenomena of mirror effects, the behavior of electrons inside the chamber of scanning electron microscope (SEM) investigated. Indeed, a simplified geometrical explanation for the behavior of incident electrons introduced. The presented description is mainly concerns with simple trigonometric functions. However, the synthesis of these functions provide a tool which can be used to trace electron as it leaves the column diaphragm until it reaches the detectors. Accordingly, the position of landing electrons throughout its travel being determinable in terms of the sample potential the operation variables. Results have shown that introduced approach could commendably use to simulate behavior of electrons inside the chamber of SEM.

This investigation presents a quantum model for electron transfer allows us to calculate the flow electronic transfer rate through metal/molecule devices. The flow electronic transfer rate at interfaces between Au metal contact with poly(9,9’-dioctylfluorene-co-bis-N, N’-(4-butylphenyl)-diphenylamine) (TFB) and solvents media with polarity is ranging from 0.315 for Diethyl ether to 0.5361 for Methanol is investigated via quantum theory of donor acceptor model. The flow rate are large with Au energy level alignment with TFB levels has been found when the potential barrier at interface is 0.066 eV with Diethyl ether solvents. Flow electronic transfer rate for Au/TFB system with methanol solvent decreased cross interface when the potential barrier is as large as 0.122 eV. This lead to produce accumulate the charges on the both side of Au and TFB when the potential at interface is large. The resulting slow transfer of electrons cross interface. Furthermore, Au metal contact on TFB molecule interface frequently with different solvents media and have large flow rate with Diethylether solvents and low flow rate with Methanol.

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Security-by-Contract (S×C) is a paradigm providing security assurances for mobile applications.In this work, we present the an extension of S×C, called Security-by-Contract-with-Trust (S×C×T). Indeed, we enrich the S×C architecture by integrating a trust model and adding new modules and configurations for managing contracts. Indeed, at deploy-time, our system decides the run-time configuration depending on the credentials of the contract provider. The run-time environment can both enforce a security policy and monitor the declared contract. According to the actual behaviour of the running program our architecture updates the trust level associated with the contract provider.We also present a possible application of our framework in the scenario of a mobile application marketplace, e.g., Apple AppStore, Cydia, Android Market, that, nowadays, are considered as one of the most attractive e-commerce activity for both mobile application developers and industries of mobile devices. Since the number of applications increases, Mobile Applications Marketplace (MAMp) sets up recommendation systems that rank and highlight mobile applications by category, social activity, etc.The S×C×T framework we propose is applied in this scenario for providing security on customers? mobile devices as well as help Mobile Applications Marketplaces to enhance their recommendation systems with security feedback.The main advantage of this method is an automatic management of the level of trust of software and contract releasers and a unified way for dealing with both security and trust.

The EU Future and Emerging Technologies (FET) Project Connect aims at dropping the heterogeneity barriers that prevent the eternality of networking systems through a revo- lutionary approach: to synthesise on-the- y the Connectors via which networked systems communicate. The Connect approach, however, comes at risk from the standpoint of de- pendability, stressing the need for methods and tools that ensure resilience to faults, errors and malicious attacks of the dynamically Connected system. We are investigat- ing a comprehensive approach, which combines dependabil- ity analysis, security enforcement and trust assessment, and is centred around a lightweight adaptive monitoring frame- work. In this project paper, we overview the research that we are undertaking towards this objective and propose a uni- fying work ow process that encompasses all the Connect dependability/security/trust concepts and models.